ΔE 9.7, close: similar, with a visible difference side by side. Creamy Ivory is a little lighter, more saturated than Ushabti Bone.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Creamy Ivory is a little lighter, more saturated than Ushabti Bone.
The same difference applies the other way round: Ushabti Bone is a little darker, more muted.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Ushabti Bone on the colour wheel See Creamy Ivory on the colour wheel
All matches: Ushabti Bone equivalents · Creamy Ivory equivalents